Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6962131 | Water cooling device of vertical multi-cylinder engine | Masahiro Aketa, Tetsuya Kosaka | 2005-11-08 |
SY
Shigeyoshi Yamanaka
Overall (All Time): #3,462,156 of 4,157,543Top 85%
1
Patents All Time